Home / 784,404,865.10-1,176,607,297.65-478,294,849.10

Finding the Fourth Proportional to 784,404,865.10, 1,176,607,297.65 and 478,294,849.10

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Solution

The fourth proportional to 784,404,865.10, 1,176,607,297.65 and 478,294,849.10 is: 717,442,273.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    784,404,865.10 : 1,176,607,297.65 = 478,294,849.10 : x
  2. Step 2: Convert to fraction form
    784,404,865.10/1,176,607,297.65 = 478,294,849.10/x
  3. Step 3: Cross multiply
    784,404,865.10x = 1,176,607,297.65 × 478,294,849.10
  4. Step 4: Simplify right side
    784,404,865.10x = 562,765,209,879,465,600
  5. Step 5: Solve for x
    x = 562,765,209,879,465,600/784,404,865.10
  6. Step 6: Final answer
    x = 717,442,273.65

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.